a strand test is carried out after applying colour to a hair. You remove the colour of a strand of the hair to check if you have the desired result (colour)
test for starch- dissolving in water+heating+cooling+3-4 drops of tincture iodine, if present, dark blue colour will appear. test for colour- dissolving in water + HCL ,if metanil yellow colour is present, pink colour will appear.
Yes, Record Custodians (RCs) do take a test after training.
A test is cutting a bit of hair off that you wouldn't notice on the hair and putting it on a bit of foil and put the colour that you would choose for it on the foil. Then after that leave it for full developing time. It's very important to do this because if your client wants to dye their hair a different colour but you want to make sure it doesn't go a different colour you feel that you should do a strand test as well then do it before you give the client a colour service.
well , the colour of potassium chloride is a lilac colour :) hope this helps
white
colour blind
green
do a test
A colour test for hair typically involves applying a small amount of dye to a small section of your hair and observing how it develops over time. This helps you determine if you're happy with the colour result and if you have any allergies or adverse reactions to the dye. It's important to always follow the instructions provided by the hair dye manufacturer for the best results.
No, you don't have to go to college to get a test driver job. More importantly, you will need a good, clean, driving record and possibly some experience. Certain companies might require education but your driving record is more important.
The colour would change to a purple, dark purple colour.